/**
 * Copyright (C) <2021>  <chen junwen>
 * <p>
 * This program is free software: you can redistribute it and/or modify it under the terms of the
 * GNU General Public License as published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * <p>
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 * <p>
 * You should have received a copy of the GNU General Public License along with this program.  If
 * not, see <http://www.gnu.org/licenses/>.
 */

package io.mycat.api.callback;

/**
 * Delayed job
 * chen junwen
 */
public interface MySQLJobCallback {

    /**
     *
     * @throws Exception
     */
    void run() throws Exception;

    /**
     *impl thar can stop this job
     * @param reason
     */
    void stop(Exception reason);


    /**
     * why run this job
     * @return
     */
    String message();
}